Oginuma K (1985) Morphological and ecological observations on tree rings of an old hackberry survived near the center of the atomic air-raided area in Hiroshima City. Biological Laboratory, Central Research Institute of Electric Power Industry Report no. 485001 (in Japanese, with English summary) ...
82 For a sequence of the establishment of the Japan-China Joint Historical Research Project, see "Summary of the Japan-China Joint Historical Research Project," http://www.mofa.go.jp/mofaj/area/china/rekishi_kk...
The urban forests of Tokyo and Hiroshima were devastated by American bombing during World War II. Approximately 160 km2 of Tokyo were burned by more than 100 fire bombings, while an area of 12 km2 was leveled and burned by one atomic bomb in Hiroshima. T
The following is a summary of the features of the atomic bomb (“Little Boy”) dropped on Hiroshima. It has been estimated that it was equivalent to 16 KT of TNT (trinitrotoluene, explosive). Only about 860 g of the 70 kg of U-235 contained in the bomb was thought to have exploded....